All 53 actors in both Grey's Anatomy and High Potential
53 actors have appeared in both Grey's Anatomy and High Potential, across 498 episodes. The most-credited is Marguerite Moreau, Dr. Emma Marling in Grey's Anatomy and Heather Donovan in High Potential.
| Actor | In Grey's Anatomy | In High Potential | Eps | Eps |
|---|---|---|---|---|
| Marguerite Moreau | Dr. Emma Marling | Heather Donovan | 6 | 1 |
| Joy Osmanski | Intern Lucy | Katie Millay | 11 | 1 |
| Keith David | Lloyd Mackie | Captain Pacheco | 1 | 1 |
| Kerry O'Malley | Jane Collins | Mrs. Davis | 1 | 1 |
| Lynn Chen | Dr. Michelle Lin | Nina Wong | 5 | 1 |
| Ryan Devlin | Bill Portman | Matty Donovan | 4 | 1 |
| Jocko Sims | Randy | Ronnie Oliver | 1 | 2 |
| Michael Hyatt | Mariann Davidson | Sergeant Dottie Reynolds | 1 | 2 |
| T.J. Thyne | Aaron Morris | Barry Johnson | 2 | 1 |
| David Giuntoli | Todd Vernon | Matthew Clarke | 1 | 3 |
| Brian Howe | Robert Fischer | Gavin Tillman | 1 | 1 |
| Jenica Bergere | Kimberly "Kiki" Thompson | Leona Meyers | 1 | 1 |
| Kate Miner | Mindy Wallace | Maya Price | 1 | 2 |
| Madeline Zima | Marissa | Mia Ashford | 1 | 1 |
| Kwame Patterson | Kwame | Kai | 2 | 1 |
| Ken Marino | Brad Ackles | Charles Lavoie | 1 | 1 |
| Nadine Ellis | Melissa Walker | Astor's Attorney | 1 | 1 |
| Rebeka Montoya | Marisela | Myra Taylor | 1 | 1 |
| Briana Venskus-Vazquez | Adriana | Rina St. Martin | 1 | 1 |
| Jai Rodriguez | Max | Jeff Lewis | 1 | 1 |
| June Carryl | Nurse | Nicole Heisler | 1 | 1 |
| Mark Bloom | Prosecutor | Will Schlotzky | 1 | 1 |
| Michael James Lazar | Phillip | Pilot | 1 | 1 |
| Michelle C. Bonilla | Dr. Elena Chavez | Regina | 1 | 1 |
| Sarah Jane Morris | Emily Vaughn | Dr. Maeve Sloan | 1 | 1 |
| Shelley Robertson | Arlene Travis | Winnie Ross | 1 | 1 |
| Elaine Kagan | Mrs. Kimberley Griswold | Rosemary Caferri | 1 | 1 |
| Kyle Harris | Dr. Mason Post | Anson Pierce | 1 | 1 |
| Matt Kaminsky | Rashy Man | Danny Sternblatt | 1 | 1 |
| Reggie De Leon | Joshy | Cyrus Carrow | 1 | 2 |
| Alex Quijano | Random Guy | Gerald Lee | 1 | 1 |
| Amy Kersten | Margot Talbert | Reporter 2 | 1 | 1 |
| Ariella Amar | Kelly Garner | CSI Tech | 1 | 1 |
| JoNell Kennedy | Duda Kyat | Phyllis Martel | 1 | 1 |
| Leith Burke | Dr. McQueen | Judge Anthony Lyne | 2 | 1 |
| Melinda Page Hamilton | Dr. Jennifer Stanley | Iris Bowman | 1 | 1 |
| Merrick McCartha | Karl | Detective Lavolie | 1 | 1 |
| Pamela Roylance | Alice Bickham | Lenore Donovan | 1 | 1 |
| Paul James Jordan | Garth Jones | Cameron "Swizz" Smith | 1 | 1 |
| Audrey Wasilewski | Nicole Waldman | Glenda Walker | 1 | 1 |
| Kelvin Han Yee | Dr. James Lew | Herman Quaid | 1 | 1 |
| Maurice Hall | Major William Allen | Charles | 1 | 1 |
| Tristen MacDonald | Sgt. Rebecca Cohen | Lauren Webber | 1 | 1 |
| Laura Linda Bradley | Paramedic | Mom | 2 | 1 |
| Lawrence Pressman | Frank Nelson | George Donovan | 1 | 1 |
| Pamela Shafer | Gloria Lien | Lara | 1 | 1 |
| Louis C. Giordano | Simon | Dominic Wexler | 1 | 1 |
| Jasmine Ashanti | Francesca Lyons | Molly | 1 | 1 |
| Rob Mainord | Procurement Surgeon | Hornstock | 1 | 1 |
| Thomas Bell | Marcus Cole | Robert | 1 | 1 |
| Frank Krueger | Dean | Kenneth Sutton | 1 | 1 |
| Leeann DeMarco | Nardi | Eugenia | 1 | 1 |
| Lorinda Hawkins Smith | Macie Wheeler | Cheryl | 1 | 1 |
← Grey's Anatomy × High Potential
Cast data from TVmaze, licensed CC BY-SA 4.0.